Portable cooler



FIG. 1 is a perspective view of a portable cool box showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is a perspective view of the portable cool box with a lid of the portable cool box in an open position thereof;

FIG. 5 is a perspective view of the portable cool box with a lid of the portable cool box in an open position and showing a bottom of the lid;

FIG. 6 is a top view thereof;

FIG. 7 is a top and side view of the portable cool box with the lid of the portable cool box removed;

FIG. 8 is a bottom and side view of the portable cool box with the lid of the portable cool box removed; and,

FIG. 9 is a perspective view of the portable cool box with a lid of the portable cool box in an open position and a strap of the portable cool box removed.

The lid and strap are shown removed in FIGS. 7 and 9, respectively, for clarity of illustration. 

CLAIM The ornamental design for a portable cooler, as shown and described. 